Is it possible to find an index of a randomly-chosen JavaScript Object property (if said property is an array/object)? [duplicate]

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• Dynamically access object property using variable 11 answers

var geartable = {
  shittyboots: {
    name: "Shitty Boots",
    cost: "500"
  },
  shittyarmor: {
    name: "Shitty Armor",
    cost: "1000"
  },
  shittyhelmet: {
    name: "Shitty Helmet",
    cost: "750"
  }
};

var shops = {
  positions: [
    [2, 3],
    [0, 1],
    [2, 4]
  ],
  inventory: [
    [geartable.shittyboots.name, geartable.shittyboots.cost, "Available"],
    [geartable.shittyarmor.name, geartable.shittyarmor.cost, "Available"],
    [geartable.shittyhelmet.name, geartable.shittyhelmet.cost, "Available"]
  ]
};

function pickRandomItem(gearlist) {
  var result;
  var count = 0;
  for (var item in gearlist) {
    if (Math.random() < 1 / ++count) {
      result = item;
    }
  }
  console.log(geartable.result.cost);
  return result;
}

Hi there. So, my problem, put simply, is that I'm trying to access an index/a property of a parent object property, but when I run the random selector function (pickRandomItem) on geartable and try to access a property of the result, it tells me that geartable.result.cost is undefined. I assume this is because, for some god forsaken reason, JavaScript is trying to find a property 'result' inside of geartable instead of looking for a property with the value of result inside of geartable.

Is there any way around this? I'm at the end of my rope and I can't imagine there is, due to the fact that object nesting is already pretty shifty as-is. I've tried this with arrays in the place of nested objects, but geartable.result[0]... etc still returns undefined.

This is the error in the JavaScript console, if you're curious:

pickRandomItem(geartable);
TypeError: geartable.result is undefined; can't access its "cost" property[Learn More]